Red Hat CLUSTER SUITE - CONFIGURING AND MANAGING A CLUSTER 2006 Instrukcja Użytkownika Pobierz pdf (Strona 18)

Topology:

- 2 or mode nodes

- NIC card

- NO shared storage

Applications:

- Read-only data

- Small web serving

- NFS/FTP serving

- Edge of network

Data model:

- Unshared, static data

- Replication w/ rsync

- ext3 file system

Use Case: High availability with local data

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Red Hat Enterprise Linux (ext3) + Red Hat Cluster Suite

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Requires NO ADDITIONAL HARDWARE

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No physically shared storage

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Prior to RHEL4, physically shared storage was

required

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Ensures that an application stays running

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Monitors all cluster nodes

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Fails-over applications/services from stopped nodes

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Simple management GUI

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Service definitions are automatically propagated and

synchronized, cluster-wide

Local storage only

Application failover

H/A Cluster

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Red Hat CLUSTER SUITE - CONFIGURING AND MANAGING A CLUSTER 2006 Instrukcja Użytkownika Strona 18